<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div id="app"></div>

    <template id="my-app">
        <template v-if="books.length > 0">
            <table>
                <thead>
                    <th>序号</th>
                    <th>书籍名称</th>
                    <th>出版日期</th>
                    <th>价格</th>
                    <th>购买数量</th>
                    <th>操作</th>
                </thead>
                <tbody>
                    <!-- <tr v-for="(book, index) in filterBooks"> -->
                    <tr v-for="(book, index) in books">
                        <td>{{index + 1}}</td>
                        <td>{{book.name}}</td>
                        <td>{{book.date}}</td>
                        <td>{{formatPrice(book.price)}}</td>
                        <td>
                          <button :disabled="book.count <= 1" @click="decrement(index)">-</button>
                          <span class="counter">{{book.count}}</span>
                          <button @click="increment(index)">+</button>
                        </td>
                        <td>
                            <button @click=removeBook(index)>移除</button>
                        </td>
      
                    </tr>
                    
                </tbody>
            </table>
            <h2>
                总价格: {{formatPrice(totalPrice)}}
            </h2>
        </template>
        <template v-else>
          <div>
            <h2>购物车为空</h2>
          </div>
        </template>
    </template>

    <script src="../vue/vue.js"></script>
    <script src="./index.js"></script>
    <!-- <script>
        const App = {
            template: '#my-app',
            data() {
                return {
                    message: 'hello '
                }
            }
        }

       
    </script> -->
</body>
</html>